from tkinter import*

coords = [0 , 0 , 20 ,0 ,20 ,20 ,40 ,20,40,60,20,60,20,40,0,40]

N = int(input('Введите число'))
X = int(input('Вв.x'))
Y = int(input('Вв.y'))


if N == 0 and X >= 0 and X<=500 and Y<=500:
    pass
else:
    if N > 0 and 0*N+X>=0 and 0*N+Y>=0 and 40*N+X<=500 and 60*N+Y<=500:
        pass
    else:
        if N < 0 and 40*N+X>=0 and 60*N+Y>=0 and 60*N+X<=500 and 0*N+Y<=500:
            pass
        else:
            print('Размер фигуры превышает максимальный рвзмер поля')
            exit()
           

print(coords)

root = Tk()
root.title('ИТ марафон')
root.geometry('500x500')

canvas = Canvas(bg='white' , width=500 , height=500)
canvas.pack(anchor=CENTER, expand=1)

canvas.create_polygon(coords [0] *N+X, coords[1] *N+Y,
                      coords [2] *N+X, coords[3] *N+Y,
                      coords [4] *N+X, coords[5] *N+Y,
                      coords [6] *N+X, coords[7] *N+Y,
                      coords [8] *N+X, coords[9] *N+Y,
                      coords [10] *N+X, coords[11] *N+Y,
                      coords [12] *N+X, coords[13] *N+Y,
                      coords [14] *N+X, coords[15] *N+Y)                    
root.mainloop()
